Free Online Tool
Caesar Cipher
Encrypt and decrypt text using the classical Caesar substitution cipher. Shift letters by any amount from 1 to 25.
How to Use Caesar Cipher
- Enter or paste your text in the input field
- Select your desired options (if available)
- Click the encode/decode button or watch real-time conversion
- Copy the result using the copy button
Examples
Input:
Hello World
Output:
Features
Privacy Focused
All processing happens in your browser. No data is sent to servers.
Free Forever
No registration, no limits, completely free to use.